Class/Object

ksb.csle.component.operator.reduction

StratifiedSamplingOperator

Related Docs: object StratifiedSamplingOperator | package reduction

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class StratifiedSamplingOperator extends BaseDataOperator[StreamOperatorInfo, DataFrame]

:: ApplicationDeveloperApi ::

Operator that performs 'forward selection' which is the deterministic greedy feature selection algorithm. It selects the most relevant columns.

Linear Supertypes
BaseDataOperator[StreamOperatorInfo, DataFrame], BaseGenericOperator[StreamOperatorInfo, DataFrame], BaseGenericMutantOperator[StreamOperatorInfo, DataFrame, DataFrame], BaseDoer, Logging, Serializable, Serializable, AnyRef, Any
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Inherited
  1. StratifiedSamplingOperator
  2. BaseDataOperator
  3. BaseGenericOperator
  4. BaseGenericMutantOperator
  5. BaseDoer
  6. Logging
  7. Serializable
  8. Serializable
  9. AnyRef
  10. Any
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new StratifiedSamplingOperator(o: StreamOperatorInfo)

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    o

    Object that contains message ksb.csle.common.proto.StreamOperatorProto.SampleStratifiedInfo SampleStratifiedInfo contains attributes as follows:

    • selectedColumnId: Column ids to be applied by stratified-sampling (required)
    • fractions: Map of specific keys to sampling rates (required)
    • withReplacement: Parameter to specify whether to sample with or without replacement. (required)
    • seed: Local random seed(optional)

    SampleStratifiedInfo

    message SampleStratifiedInfo {
    required int32 selectedColumnId = 3;
    repeated FractionFieldEntry fractions = 4;
    required bool withReplacement = 5 [default = false];
    optional int64 seed = 6;
    }

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  5. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  6. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  7. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  8. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  9. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  10. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  11. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  12. val logger: Logger

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    Attributes
    protected
    Definition Classes
    Logging
  13. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  14. final def notify(): Unit

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    Definition Classes
    AnyRef
  15. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  16. def operate(df: DataFrame): DataFrame

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    Operates sampleStratified.

    Operates sampleStratified.

    df

    Input dataframe

    returns

    DataFrame Output dataframe

    Definition Classes
    StratifiedSamplingOperator → BaseGenericOperator → BaseGenericMutantOperator
  17. val p: SampleStratifiedInfo

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  18. def stop: Unit

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    Definition Classes
    BaseGenericOperator → BaseGenericMutantOperator
  19. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  20. def toString(): String

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    Definition Classes
    AnyRef → Any
  21. def validate(df: DataFrame): DataFrame

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    validates sampleStratified info and dataframe schema info.

    validates sampleStratified info and dataframe schema info.

    Annotations
    @throws( classOf[KsbException] )
  22. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  23. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  24. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from BaseDataOperator[StreamOperatorInfo, DataFrame]

Inherited from BaseGenericOperator[StreamOperatorInfo, DataFrame]

Inherited from BaseGenericMutantOperator[StreamOperatorInfo, DataFrame, DataFrame]

Inherited from BaseDoer

Inherited from Logging

Inherited from Serializable

Inherited from Serializable

Inherited from AnyRef

Inherited from Any

Ungrouped